package com.july.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
public class HelloController {
    @ResponseBody
    @RequestMapping("/hello")
    public String hello() {
        return "你好,百度！";
    }

    public static void main(String[] args) {
        String str = "";
        StringBuffer sb = new StringBuffer();
        StringBuilder sbl = new StringBuilder();
        sb.append("11");
        sbl.append("1");
    }
}
